"D'Addario XL Nickel Electric Bass strings are precision wound on their exclusive computer-controlled machines. These strings deliver excellent magnetic output while providing a smooth, comfortable surface that reduces premature fret wear. Sweetwater knows that choosing the perfect string is vital to a musician's sound. Each XL Nickel Electric Bass string plays with clear fundamentals and unparalleled consistency. The nickel-plated steel wrap wire is known for it's excellent intonation and distinctive bright tone, which complements most playing styles. D'Addario EXL170-5 XL Nickel Electric 5-String Bass Guitar Strings Features at a Glance: Reg Light Top/Med Bottom Gauge .045, .065, .080, .100, .130 Five-string set Bright tone Round wound nickel"